{"id":180192,"date":"2024-11-09T08:10:18","date_gmt":"2024-11-09T00:10:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/180192\/"},"modified":"2024-11-09T08:10:19","modified_gmt":"2024-11-09T00:10:19","slug":"%e5%88%aa%e9%99%a4%e5%a6%99%e7%94%a8mssql%e5%af%a6%e7%8f%be%e5%ad%97%e6%ae%b5%e5%80%bc%e5%89%8d%e5%85%a9%e4%bd%8d%e7%9a%84%e8%bc%95%e9%ac%86%e5%88%aa%e9%99%a4%ef%bc%88mssql-%e5%ad%97%e6%ae%b5%e5%80%bc","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/180192\/","title":{"rendered":"\u522a\u9664\u5999\u7528MSSQL\u5be6\u73fe\u5b57\u6bb5\u503c\u524d\u5169\u4f4d\u7684\u8f15\u9b06\u522a\u9664\uff08mssql \u5b57\u6bb5\u503c\u524d2\u4f4d\uff09"},"content":{"rendered":"<h1 id=\"%e5%88%aa%e9%99%a4%e5%a6%99%e7%94%a8mssql%e5%af%a6%e7%8f%be%e5%ad%97%e6%ae%b5%e5%80%bc%e5%89%8d%e5%85%a9%e4%bd%8d%e7%9a%84%e8%bc%95%e9%ac%86%e5%88%aa%e9%99%a4-NHUpvJsoKQ\">\u522a\u9664\u5999\u7528MSSQL\u5be6\u73fe\u5b57\u6bb5\u503c\u524d\u5169\u4f4d\u7684\u8f15\u9b06\u522a\u9664<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u5c0d\u5b57\u6bb5\u503c\u9032\u884c\u64cd\u4f5c\uff0c\u4ee5\u6eff\u8db3\u7279\u5b9a\u7684\u696d\u52d9\u9700\u6c42\u3002\u5c0d\u65bc\u4f7f\u7528 Microsoft SQL Server (MSSQL) \u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u522a\u9664\u5b57\u6bb5\u503c\u7684\u524d\u5169\u4f4d\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728 MSSQL \u4e2d\u8f15\u9b06\u5be6\u73fe\u9019\u4e00\u64cd\u4f5c\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%88%aa%e9%99%a4%e5%ad%97%e6%ae%b5%e5%80%bc%e7%9a%84%e5%89%8d%e5%85%a9%e4%bd%8d%ef%bc%9f-NHUpvJsoKQ\">\u70ba\u4ec0\u9ebc\u9700\u8981\u522a\u9664\u5b57\u6bb5\u503c\u7684\u524d\u5169\u4f4d\uff1f<\/h2>\n<p>\u522a\u9664\u5b57\u6bb5\u503c\u7684\u524d\u5169\u4f4d\u53ef\u80fd\u51fa\u65bc\u591a\u7a2e\u539f\u56e0\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u6e05\u7406\uff1a\u5728\u6578\u64da\u5c0e\u5165\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u591a\u9918\u7684\u524d\u7db4\uff0c\u9019\u4e9b\u524d\u7db4\u9700\u8981\u88ab\u522a\u9664\u4ee5\u4fdd\u6301\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li>\u683c\u5f0f\u5316\uff1a\u67d0\u4e9b\u61c9\u7528\u7a0b\u5e8f\u53ef\u80fd\u8981\u6c42\u7279\u5b9a\u683c\u5f0f\u7684\u6578\u64da\uff0c\u522a\u9664\u524d\u5169\u4f4d\u53ef\u4ee5\u5e6b\u52a9\u6eff\u8db3\u9019\u4e9b\u8981\u6c42\u3002<\/li>\n<li>\u96b1\u79c1\u4fdd\u8b77\uff1a\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u522a\u9664\u7279\u5b9a\u5b57\u7b26\u53ef\u4ee5\u5e6b\u52a9\u4fdd\u8b77\u7528\u6236\u7684\u96b1\u79c1\u3002<\/li>\n<\/ul>\n<h2 id=\"mssql-%e4%b8%ad%e5%88%aa%e9%99%a4%e5%ad%97%e6%ae%b5%e5%80%bc%e5%89%8d%e5%85%a9%e4%bd%8d%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%96%b9%e6%b3%95-NHUpvJsoKQ\">MSSQL \u4e2d\u522a\u9664\u5b57\u6bb5\u503c\u524d\u5169\u4f4d\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n<p>\u5728 MSSQL \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5167\u5efa\u7684\u5b57\u7b26\u4e32\u51fd\u6578\u4f86\u5be6\u73fe\u522a\u9664\u5b57\u6bb5\u503c\u524d\u5169\u4f4d\u7684\u64cd\u4f5c\u3002\u6700\u5e38\u7528\u7684\u51fd\u6578\u662f <code>SUBSTRING<\/code> \u548c <code>LEN<\/code>\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u8a9e\u6cd5\uff1a<\/p>\n<pre><code>SUBSTRING(expression, start, length)<\/code><\/pre>\n<p>\u5176\u4e2d\uff0c<code>expression<\/code> \u662f\u8981\u64cd\u4f5c\u7684\u5b57\u7b26\u4e32\uff0c<code>start<\/code> \u662f\u958b\u59cb\u4f4d\u7f6e\uff0c<code>length<\/code> \u662f\u8981\u63d0\u53d6\u7684\u5b57\u7b26\u6578\u3002\u8981\u522a\u9664\u524d\u5169\u4f4d\uff0c\u53ef\u4ee5\u9019\u6a23\u4f7f\u7528\uff1a<\/p>\n<pre><code>SUBSTRING(column_name, 3, LEN(column_name) - 2)<\/code><\/pre>\n<h3 id=\"%e7%a4%ba%e4%be%8b-NHUpvJsoKQ\">\u793a\u4f8b<\/h3>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba <code>Users<\/code> \u7684\u8868\uff0c\u8a72\u8868\u4e2d\u6709\u4e00\u500b\u540d\u70ba <code>PhoneNumber<\/code> \u7684\u5b57\u6bb5\uff0c\u5b58\u5132\u7528\u6236\u7684\u96fb\u8a71\u865f\u78bc\u3002\u73fe\u5728\u6211\u5011\u5e0c\u671b\u522a\u9664\u6bcf\u500b\u96fb\u8a71\u865f\u78bc\u7684\u524d\u5169\u4f4d\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u8a9e\u53e5\uff1a<\/p>\n<pre><code>UPDATE Users\nSET PhoneNumber = SUBSTRING(PhoneNumber, 3, LEN(PhoneNumber) - 2)\nWHERE PhoneNumber IS NOT NULL;<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u66f4\u65b0 <code>Users<\/code> \u8868\u4e2d\u7684\u6240\u6709\u96fb\u8a71\u865f\u78bc\uff0c\u522a\u9664\u5176\u524d\u5169\u4f4d\u5b57\u7b26\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-NHUpvJsoKQ\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u9032\u884c\u5b57\u6bb5\u503c\u7684\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u61c9\u6ce8\u610f\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5099\u4efd\uff1a\u5728\u57f7\u884c\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\uff0c\u5efa\u8b70\u5c0d\u6578\u64da\u9032\u884c\u5099\u4efd\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u6578\u64da\u4e1f\u5931\u3002<\/li>\n<li>\u6578\u64da\u9a57\u8b49\uff1a\u78ba\u4fdd\u8981\u522a\u9664\u7684\u5b57\u6bb5\u503c\u7b26\u5408\u9810\u671f\u683c\u5f0f\uff0c\u907f\u514d\u56e0\u70ba\u683c\u5f0f\u4e0d\u6b63\u78ba\u800c\u5c0e\u81f4\u7684\u932f\u8aa4\u3002<\/li>\n<li>\u6e2c\u8a66\u74b0\u5883\uff1a\u5728\u751f\u7522\u74b0\u5883\u4e2d\u57f7\u884c\u4e4b\u524d\uff0c\u6700\u597d\u5728\u6e2c\u8a66\u74b0\u5883\u4e2d\u9032\u884c\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u64cd\u4f5c\u7684\u6b63\u78ba\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-NHUpvJsoKQ\">\u7d50\u8ad6<\/h2>\n<p>\u522a\u9664 MSSQL \u4e2d\u5b57\u6bb5\u503c\u7684\u524d\u5169\u4f4d\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u64cd\u4f5c\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u6e05\u7406\u6578\u64da\u548c\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002\u901a\u904e\u4f7f\u7528 <code>SUBSTRING<\/code> \u548c <code>LEN<\/code> \u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9019\u4e00\u529f\u80fd\u3002\u5728\u9032\u884c\u4efb\u4f55\u6578\u64da\u66f4\u65b0\u64cd\u4f5c\u6642\uff0c\u52d9\u5fc5\u6ce8\u610f\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u5b89\u5168\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7528\u6236\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52d9\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528MSSQL\u8f15\u9b06\u522a\u9664\u5b57\u6bb5\u503c\u524d\u5169\u4f4d\uff0c\u7c21\u5316\u6578\u64da\u8655\u7406\uff0c\u63d0\u5347\u6578\u64da\u6e05\u7406\u6548\u7387\uff0c\u8b93\u6578\u64da\u7ba1\u7406\u66f4\u4fbf\u6377\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-180192","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180192","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=180192"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180192\/revisions"}],"predecessor-version":[{"id":180193,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/180192\/revisions\/180193"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=180192"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=180192"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=180192"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}